. Author manuscript; available in PMC: 2013 Jan 17.

Published in final edited form as: J Educ Psychol. 2012 Aug;104(3):603–621. doi: 10.1037/a0027571

Table 8.

A. Model Fit WJ Math
	AIC	BIC	Deviance	Difference in deviance (LR test) from comparison model
Model 4- Retention Grade 1-Level	11093.6	11122.3	11069.6	1.3, χ² (1), ns vs. Model 3
Model 5- Retention Grade 1--Linear	11073.7	11104.8	11047.7	21.9, χ² (1), p < .001 vs. Model 4
Model 6- Retention Grade 1-Quadratic	11067.2	11100.7	11039.2	8.5, χ² (1), p < .01 vs. Model 5
Model 7- Retention Grades 1 plus 2 – 4	11043.7	11079.6	11013.7	25.5, χ² (1), p < .001 vs. Model 6

B. Model Fit WJ Reading
	AIC	BIC	Deviance	Difference in deviance (LR test) from comparison model
Model 4- Retention Grade 1-Level	12834.5	12860.9	12812.5	3.3, χ² (1), ns vs. Model 3
Model 5- Retention Grade 1--Linear	12769.9	12798.7	12745.9	66.6, χ² (1), p < .001 vs. Model 4
Model 6- Retention Grade 1-Quadratic	12761.2	12792.3	12735.2	10.7, χ² (1), p < .01 vs. Model 5
Model 7- Retention Grades 1 plus 2 – 4	12749.7	12783.3	12721.7	13.5, χ2 (1), p < .001 vs. Model 6